| WTA Indian Wells | 03/12 18:00 | 25 | [20] Kiki Bertens v Timea Bacsinszky [16] | 3-6,7-5,6-7 | |
| WTA Indian Wells | 03/10 23:45 | 24 | [20] Kiki Bertens v Belinda Bencic [128] | 6-2,6-2 | |
| WTA Dubai | 02/20 14:15 | 24 | [23] Kiki Bertens v Christina McHale [44] | 7-6,3-6,4-6 | |
| WTA Doha | 02/14 18:20 | 25 | [18] Caroline Wozniacki v Kiki Bertens [22] | 6-2,6-3 | |
| 2017 Fed Cup | 02/12 08:00 | - | Aliaksandra Sasnovich v Kiki Bertens | 6-3,6-4 | |
| 2017 Fed Cup | 02/11 11:30 | - | Aryna Sabalenka v Kiki Bertens | 6-3,6-7,4-6 | |
| WTA St. Petersburg | 01/30 13:00 | 25 | [24] Kiki Bertens v Annika Beck [67] | 5-7,6-3,4-6 | |
| Australian Open 2017 Women | 01/16 00:00 | 23 | [22] Kiki Bertens v Varvara Lepchenko [86] | 5-7,6-7 | |
| WTA Hobart | 01/12 00:00 | 27 | Kiki Bertens v Elise Mertens | 2-6,5-7 | |
| WTA Hobart | 01/11 02:40 | 26 | Kiki Bertens v Galina Voskoboeva | 6-1,6-4 | |
| WTA Hobart | 01/09 08:00 | 25 | [22] Kiki Bertens v Annika Beck [53] | 6-1,6-2 | |
| WTA Auckland | 01/02 02:00 | 25 | [61] Lauren Davis v Kiki Bertens [22] | 7-6,6-4 | |
| WTA Zhuhai | 11/04 11:00 | 1 | [19] Elena Vesnina v Kiki Bertens [22] | 6-4,7-6 | |
| WTA Zhuhai | 11/01 08:50 | 1 | [14] Elina Svitolina v Kiki Bertens [22] | 2-6,6-4,6-2 | |
| WTA Luxembourg | 10/21 15:00 | 28 | [22] Kiki Bertens v Monica Niculescu [51] | 3-6,3-6 | |
| WTA Luxembourg | 10/20 11:00 | 27 | [100] Denisa Allertova v Kiki Bertens [22] | 0-6,4-6 | |
| WTA Luxembourg | 10/19 11:00 | 26 | Anna Karolina Schmiedlova v Kiki Bertens | 3-6,1-6 | |
| WTA Luxembourg | 10/18 11:05 | 25 | [55] Annika Beck v Kiki Bertens [22] | 4-6,4-6 | |
| WTA Linz | 10/10 14:45 | 25 | [83] Sorana Cirstea v Kiki Bertens [23] | 6-4,6-2 | |
| US Open 2016 Women | 08/30 15:00 | 23 | Kiki Bertens v Ana Konjuh | 3-6,6-2,4-6 | |
| Wimbledon Women | 07/02 12:00 | 25 | Simona Halep v Kiki Bertens | 6-4,6-3 | |
| Wimbledon Women | 06/30 10:45 | 24 | Mona Barthel v Kiki Bertens | 4-6,4-6 | |
| Wimbledon Women | 06/27 16:45 | 23 | Jelena Ostapenko v Kiki Bertens | 3-6,2-6 | |
| WTA Rabat | 04/29 11:00 | 28 | Kiki Bertens v Marina Erakovic | 6-2,6-7,5-7 | |
| WTA Rabat | 04/28 10:00 | 27 | Yulia Putintseva v Kiki Bertens | 3-6,7-6,3-6 | |
| WTA Rabat | 04/27 11:45 | 26 | Sara Sorribes Tormo v Kiki Bertens | 4-6,3-6 | |
| WTA Rabat | 04/25 10:00 | 25 | Kiki Bertens v Anna Karolina Schmiedlova | 6-0,6-1 | |
| Billie Jean King Cup | 04/16 12:00 | 1 | Caroline Garcia v Kiki Bertens | 4-6,2-6 | |
| Billie Jean King Cup | 02/07 09:00 | 1 | Svetlana Kuznetsova v Kiki Bertens | 1-6,4-6 | |
| Billie Jean King Cup | 02/06 11:00 | 1 | Ekaterina Makarova v Kiki Bertens | 3-6,4-6 |
Wikipedia - Kiki Bertens
Kiki Bertens (Dutch pronunciation: [ˈkiki ˈbɛrtəns]; born 10 December 1991) is a Dutch former professional tennis player. Her career-high WTA singles ranking was world No. 4, which she reached on 13 May 2019, becoming the highest-ranked Dutch female player ever. Her career-high doubles ranking of world No. 16, she achieved in April 2018. She won ten singles and ten doubles titles on the WTA Tour including 2018 Cincinnati Open and 2019 Madrid Open. Bertens was widely regarded as a clay court specialist, but also was successful on hardcourt.